Solar installations in Buffalo County, WI
69 recorded installations in Buffalo County, Wisconsin — capacity, prices and the installers doing the work.
At a glance
Buffalo County, Wisconsin has 69 recorded solar installations totalling 5.0 MW of capacity — the 56th-highest count among the 72 Wisconsin counties with records, and under 1% of the state total. That is about 1.1% of the county's 6,546 housing units, against 0.83% statewide. The median installed price is $2.84/W before incentives, about 19% below the Wisconsin median of $3.52/W.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Search every recorded installation in Buffalo County by installer, size, date and equipment.
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Top installers in Buffalo County
| # | Installer | Installs here |
|---|---|---|
| 1 | Olson Solar Energy | 9 |
| 2 | Minnsolar | 8 |
| 3 | Midwest Solars | 5 |
| 4 | Next Step Energy | 4 |
| 5 | Green Energy | 3 |
| 6 | Jolma Electric | 2 |
| 7 | Champion Solar | 2 |
| 8 | Green Commercial Systems | 1 |
| 9 | Champion Solar 10035540 | 1 |
| 10 | Solar Connection | 1 |
Growth
Installations by year
How does Buffalo County compare with the rest of Wisconsin?
The median recorded system in Buffalo County is 11.2 kW, about 51% above the state median of 7.4 kW. By share of housing units with a recorded system, Buffalo County ranks 19th of 70 Wisconsin counties with at least 10 installations.
How has solar adoption changed in Buffalo County?
The earliest recorded installation in Buffalo County dates to 2016. The busiest year on record is 2022, with 17 installations. 2025 has 2 recorded installations so far. The county's cumulative total rose from 21 at the end of 2020 to 69 today. Recent years fill in as state programs and permit offices report, so the latest counts are provisional.
Who installs solar in Buffalo County?
Olson Solar Energy has the most recorded installations in Buffalo County (9, 13% of the county's records). Other active installers here include Minnsolar, Midwest Solars and Next Step Energy. Installers based anywhere in Wisconsin are listed in the state installer directory.
Frequently asked questions
How many homes have solar in Buffalo County?
PanelCensus records 69 solar installations in Buffalo County, Wisconsin (5.0 MW of capacity) — about 1.1% of the county's 6,546 housing units (U.S. Census ACS). Coverage depends on Wisconsin's public reporting, so the true total is likely higher.
How much does solar cost in Buffalo County?
The median installed price for recorded systems in Buffalo County is $2.84/W before incentives; the median system is 11.2 kW. The Wisconsin median is $3.52/W.
Who installs solar in Buffalo County?
The most active recorded installers in Buffalo County are Olson Solar Energy (9), Minnsolar (8) and Midwest Solars (5).
How big is a typical solar system in Buffalo County?
The median recorded system in Buffalo County is 11.2 kW, against 7.4 kW for Wisconsin as a whole.
More solar data near Buffalo County
- Solar in Wisconsin· 22,775 installations
- Solar installers in Wisconsin
- Solar in Lincoln County· 75 installations
- Solar in Vilas County· 70 installations
- Solar in Barron County· 69 installations
- Solar in Juneau County· 68 installations
- Solar in Douglas County· 66 installations
- Solar in Oneida County· 66 installations
County assignment is derived from installation ZIP codes via the Census 2020 ZCTA↔county crosswalk (primary county by land-area overlap) — approximate at county boundaries. Market penetration = recorded installations ÷ housing units (U.S. Census Bureau ACS 5-Year, Table B25001); it undercounts where dataset coverage is partial. See methodology.
About this data
Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published October 10, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.
Cite as: PanelCensus, “Solar installations in Buffalo County, Wisconsin”, https://panelcensus.com/solar/wisconsin/buffalo-county (data as of October 10, 2026).